graphics
wind98icons - original windows 98 icons
blinkies cafe - blinkie maker
bonnibel's graphics collection - pixel collection
whimsical - cute pixel collection, including cursors, favicons, navigation etc.
foollovers - big pixel collection, well grouped & organised
sozaioukoku - big pixel collection, well grouped & organised
disappeared element - pixel dolls (bases)
texturetown - collection of textures/backgrounds, mostly tiles
pixelsafari - big pixel collection, including blinkies, stamps, etc.
pixelsea - big searchable pixel collection, otherwise also a cute site
practical resources
dither me this - best image ditherer
centerofmyscreen - screen ruler/grid
pagecrypt - password protect html pages